/*******************************************************************************
* Copyright (c) 2004, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import org.eclipse.cdt.core.dom.CDOM;
import org.eclipse.cdt.core.index.IIndexFileLocation;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.model.IWorkingCopy;
import org.eclipse.cdt.core.model.IWorkingCopyProvider;
import org.eclipse.cdt.core.parser.CodeReader;
import org.eclipse.cdt.core.parser.ICodeReaderCache;
import org.eclipse.cdt.core.parser.ParserUtil;
import org.eclipse.cdt.internal.core.parser.EmptyIterator;
import org.eclipse.core.runtime.CoreException;
/**
* @author jcamelon
*/
@Deprecated
public class PartialWorkingCopyCodeReaderFactory extends AbstractCodeReaderFactory {
private final IWorkingCopyProvider provider;
private ICodeReaderCache cache = null;
/**
* @param provider
*/
public PartialWorkingCopyCodeReaderFactory(IWorkingCopyProvider provider, IIncludeFileResolutionHeuristics heuristics) {
super(heuristics);
this.provider = provider;
cache = SavedCodeReaderFactory.getInstance().getCodeReaderCache();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ICodeReaderFactory#getUniqueIdentifier()
*/
@Override
public int getUniqueIdentifier() {
return CDOM.PARSE_WORKING_COPY_WITH_SAVED_INCLUSIONS;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ICodeReaderFactory#createCodeReaderForTranslationUnit(java.lang.String)
*/
@Override
public CodeReader createCodeReaderForTranslationUnit(String path) {
return checkWorkingCopyThenCache(path);
}
public CodeReader createCodeReaderForTranslationUnit(ITranslationUnit tu) {
return new CodeReader(tu.getPath().toOSString(), tu.getContents());
}
protected CodeReader checkWorkingCopyThenCache(String path) {
char [] buffer = ParserUtil.findWorkingCopyBuffer( path, createWorkingCopyIterator() );
if( buffer != null )
return new CodeReader(path, buffer);
return cache.get( path );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ICodeReaderFactory#createCodeReaderForInclusion(java.lang.String)
*/
@Override
public CodeReader createCodeReaderForInclusion(String path) {
return cache.get( path );
}
@Override
public CodeReader createCodeReaderForInclusion(IIndexFileLocation ifl, String astPath)
throws CoreException, IOException {
return cache.get(astPath, ifl);
}
protected Iterator<IWorkingCopy> createWorkingCopyIterator() {
if( provider == null ) return EmptyIterator.empty();
return Arrays.asList( provider.getWorkingCopies() ).iterator();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ICodeReaderFactory#getCodeReaderCache()
*/
@Override
public ICodeReaderCache getCodeReaderCache() {
return cache;
}
}